SioGreen SIO 14 Operation & Installation Manual

Brand: SioGreen

Model: SIO 14

Type: Operation & Installation Manual

This manual is also suitable for

SIO 18

SioGreen SIO 14 is an electric tankless hot water generator that provides an endless supply of hot water on demand. It uses advanced quartz technology and true modulation to heat water as it passes through the unit, eliminating the need for a storage tank and ensuring you'll never run out of hot water.

With its compact design and easy installation, the SioGreen SIO 14 is perfect for homes, apartments, and other applications where space is limited or where a traditional water heater is not feasible. It can be mounted on a wall or placed on a countertop, and its digital display allows for precise temperature control.

OPERATION & INSTALLATION MANUAL

Model: SIO 14 & SIO 18

Electric Tankless Hot Water Generators

Table of Contents

SAFETY INFORMATION ............................................................................................ 1

INTRODUCTION....................................................................................................... 2

Unit Operation: ................................................................................................ 2

Unit Freezing: .................................................................................................. 3

Maintenance: ................................................................................................... 3

Included Parts List: .......................................................................................... 3

Required Parts List: .......................................................................................... 3

INTERFACE .............................................................................................................. 4

MOUNTING YOUR WATER HEATER ........................................................................... 5

PLUMBING INSTALLATION ...................................................................................... 6

ELECTRICAL INSTALLATION .................................................................................... 7

ELECTRIC INSTRUCTIONS FOR U.S. .................................................................. 7

ELECTRIC INSTRUCTIONS FOR CANADA .......................................................... 10

How to calibrate your hot water using water valve ............................................... 13

SIZING GUIDE ....................................................................................................... 13

TROUBLE SHOOTING ............................................................................................. 14

WARRANTY ........................................................................................................... 15

1 | Page

Thank you for choosing SioGreen products. The most advanced tankless

water heaters in the world today using quartz technology and true

modulation. All of our products are made with the highest grade materials

and professionally assembled.

We strive to satisfy each customer with our unit’s superior quality, longevity,

and the modern design of all our products.

Before use of the unit, please carefully read and understand the manual. It

contains important information regarding the correct use and care of the

unit.

SAFETY INFORMATION

IT IS IMPORTANT TO COMPLETELY READ AND UNDERSTAND THE

INSTALLATION PROCEDURES BEFORE CONTINUING THE

INSTALLATION.

FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN

PROPERTY DAMAGE, SERIOUS BODILY INJURY, OR DEATH.

THIS PRODUCT SHOULD BE INSTALLED BY A LICENSED ELECTRICIAN

AND PLUMBER IN ACCORDANCE WITH ALL NATIONAL, STATE, AND

LOCAL ELECTRICAL & PLUMBING CODES.

Keep this manual in a convenient place for future reference.

DANGER! WATER TEMPERATURE

SAFETY SETTING

Safety is our primary goal when

selecting the water temperature.

Any temperature above 120°F can

cause serious scalding or death.

Energy conservation is a factor to

be considered when selecting the

water temperature. Setting the

water heater’s thermostat to a

lower setting will allow a higher flow

rate and use less energy.

Check our website,

www.SioGreenUSA.com for the

latest version of the Installation &

User Manual.

2 | Page

INTRODUCTION

SioGreen Tankless hot water heaters do not store water like a conventional

tank-type water heater. It contains multiple high powered quartz heating tube

elements that are capable of heating water “on-demand” and continuously as

needed, so you will never have to worry about running out of hot water again.

The unit’s working principle and designs are simple. When the power is turned

on, the microprocessor will check the temperature sensor and current leakage

sensor, if there are no errors, the hot water generator is ready to work.

The performance of the products listed are dependent on incoming water

temp, water flow rate, and set temperature of the thermostat. In order for it

to function properly it must be matched by location, application, and unit size.

As it requires no venting, all units can be installed literally anywhere that is

convenient for the owner.

This product should be installed indoors only. An outdoor installation is

permitted as long as it is mounted in a suitable enclosure that protects it from

all-weather elements including freezing. Freezing of the unit may result in

permanent damage and will void the warranty.

Unit Operation:

When you open the hot water valve, the flow sensor activates at a minimum

water flow. The flow sensor sends the information to the temperature

controller to begin modulating the heating elements to heat the water as it

passes through the quartz heating tubes and to maximize efficiency.

If the water flow rate exceeds the maximum heating capacity of the unit, the

unit will reach a maximum achievable temperature based on flow rate and

unit size. When a reduction in the excessive flow rate is made, the unit will

achieve the set point temperature.

When the fixture is closed, the demand stops, the flow sensor sends

information to the controller to turn off the power to the quartz heating

elements. The unit remains in it standby mode until the demand for the hot

water is needed.

3 | Page

Unit Freezing:

In case of freezing, please wait for the complete defrosting of the unit before

using. Verify this by running water through it before turning on the power.

Activating unit while still frozen will damage the heaters internal components

and void the warranty.

Maintenance:

This unit requires no maintenance. To extend unit service life, it is

recommended to use an inlet pre filter or y-strainer, check, and clean it

periodically. This is an additional part from the internal screen included with

the unit. Do not attempt to open the case to make adjustments, repairs, or

for any reason. Opening of unit will void all warranties and could result in

serious injury or property damage.

Included Parts List:

• Electric water heater

• Wall Mount bracket

• Screws

• Internal screen

Required Parts List:

• Inlet Pre-Filter or Y-Strainer

• Shut Off Valve

• Gate Valve

4 | Page

INTERFACE

SIO 14 & SIO 18

Power

• Press button to turn the system on and off

Display

• Once power is turned on, the target temperature will be displayed

Temperature Control

• Pressing Up Arrow – Increase Temperature

• Pressing Down Arrow – Decrease Temperature

5 | Page

MOUNTING YOUR WATER HEATER

1. Leave a minimum of 6” to both sides and 12” on the top and bottom of the

unit for clearance and maintenance. A minimum clearance of 24" in front

of the unit must be provided for safe removal of the front cover, for

installation, advanced troubleshooting, and service if required.

2. Mount the electric hot water generator securely to the wall with six (6)

screws. The two (2) mounting brackets located at the top and bottom of

the unit with eyelet holes.

3. This unit must only be mounted in a vertical position with the electrical and

water fittings located at the bottom of the unit.

4. Avoid installing the hot water generator in a corrosive environment, as this

may cause damage to the electronic components.

5. Installation of the hot water

generator must be in

accordance with all National

and Local codes having

Jurisdiction and installed by

a Licensed Contractor.

6 | Page

PLUMBING INSTALLATION

CAUTION: Breaker must remain off until installation is complete.

Step 1: Flush cold water line to clear any debris before connecting to unit.

Step 2: Install a shut off valve and pre filter (Not Supplied) to prevent any

particles entering the unit that may clog or damage the internal parts.

Step 3: Using flexible lines, connect the Cold Water line to the water heater

inlet labeled as “cold”. Connect furnished Water Valve to the water heater

outlet labeled as “hot”. Connect the HOT WATER outlet line to the Water Valve.

Step 4: Verify all fittings are tight and secure. Open hot water source and

allow water to run though the water heater for at least 1 to 2 minutes. This

will purge the air from the water lines and must be performed prior to turning

on the power at the unit. This is a Mandatory step to prevent Damage to

Heating Elements.

DO NOT solder any fittings to unit. This will damage internal sensors and

components and void the warranty. Use flexible lines and screw fittings only

to unit.

A TP valve is not required in most jurisdictions. Verify your local codes

accordingly and if required install on outlet side only.

Verify all connections are free of leaks.

Model

Minimum Flow

Maximum Flow

Connection

SIO 14

.50 GPM

4.0 GPM

3/4" NPT

SIO 18

.50 GPM

4.4 GPM

3/4" NPT

7 | Page

ELECTRICAL INSTALLATION

THE FOLLOWING ELECTRIC INSTRUCTIONS ARE FOR U.S. CUSTOMERS

CAUTION: Breaker must remain off until installation is complete.

SERIOUS

BODILY

INJURY OR DEATH COULD OCCUR IF YOU IGNORE THIS WARNING.

SioGreen products must be installed by a licensed and qualified electrician in

accordance with all applicable national, state, and local electrical codes

depending on country.

Before installing this product, ensure that the home has sufficient electrical

power available to handle the maximum amperage load of the applicable

model.

IMPORTANT NOTES:

These units will require 2 sets of wire (see wiring diagram), 2 ground wires

and 2 breakers. Please see specifications by model and wiring diagram for

additional information.

Specifications by Model (U.S.)

MODEL

NUMBER

MAX

VOLTS

MINIMUM

BREAKER

MAX

POWER

(AMP)

MINIMUM

WIRE

SIO 14

14.0

240

2 X 30 AMP

58.4

2 x 10 AWG

SIO 18

18.0

240

2 X 40 AMP

2 x 8 AWG

Step 1: Remove cover of the water heater carefully and locate the electrical

disconnect breaker on the bottom left hand corner facing the unit.

Step 2: Use the correct wire gauge that meets all NEC or country of installation

guidelines based on the size of the breakers used to feed the unit and the

length of the wire run. Then run the set of wires from the home’s main panel

to the tankless water heater. (See above chart for minimum wire size) This

minimum wire size is based on maximum of 50’ of length.

Step 3: Take each wire pair and connect them to one breaker (see wiring

diagram). Make sure that each breaker is connected with one red wire and

one black wire.

8 | Page

Step 4: A separate ground conductor is required for each incoming circuit.

Step 5: Verify all connections are tight and secure. Verify the correct breaker

size. Verify the ground conductor size and connection per applicable codes.

CAUTION: Ensure that you have made the correct connections. You must

follow the wire connection as shown to ensure proper operation of the unit. If

you mix up one set of wires with another, the unit will not operate correctly

even though it turns on and otherwise appears to function properly.

SIO 14 & SIO 18 Wiring Diagram (U.S.):

9 | Page

10 | Page

THE FOLLOWING ELECTRIC INSTRUCTIONS ARE FOR CANADA

CUSTOMERS

CAUTION: Breaker must remain off until installation is complete.

SERIOUS

BODILY

INJURY OR DEATH COULD OCCUR IF YOU IGNORE THIS WARNING.

SioGreen products must be installed by a licensed and qualified electrician in

accordance with all applicable national, state, and local electrical codes

depending on country.

Before installing this product, ensure that the home has sufficient electrical

power available to handle the maximum amperage load of the applicable

model.

IMPORTANT NOTES:

These units will require 1 set of wire and ground (see wiring diagram), 1

electric breaker, and 2 jumper wires. Jumper wires will be pre-installed by the

manufacturer. DO NOT REMOVE THE JUMPER WIRES. Removing the jumper

wires will void the warranty.

Specifications by Model (CANADA)

MODEL

NUMBER

MAX

VOLTS

MINIMUM

BREAKER

MAX

POWER

(AMP)

MINIMUM

WIRE

SIO 14

14.0

240

60 AMP

58.4

6 AWG

SIO 18

18.0

240

80 AMP

4 AWG

Step 1: Remove cover of the water heater carefully and locate the electrical

disconnect breaker on the bottom left hand corner facing the unit.

Step 2: Use the correct wire gauge that meets all NEC or country of installation

guidelines based on the size of the breakers used to feed the unit and the

length of the wire run.

Step 3: Run the set of wires from the home’s main panel to the tankless water

heater. (See above chart for minimum wire size) This minimum wire size is

based on maximum of 50’ of length.

Step 4: A separate ground conductor is required for the incoming circuit.

11 | Page

Step 5: Connect the wires to one two-pole breaker (see wiring diagram).

Step 6: Verify all connections are tight and secure. Verify the correct breaker

size. Verify the ground conductor size and connection per applicable codes.

CAUTION: Ensure that you have made the correct connections. You must

follow the wire connection as shown to ensure proper operation of the unit.

If you mix up one set of wires with another, the unit will not operate

correctly even though it turns on and otherwise appears to function properly.

SIO 14 & SIO 18 Wiring Diagram (CANADA):

12 | Page

JUMPER WIRE

13 | Page

How to calibrate your hot water using water valve

DANGER: Hotter water increases the potential for hot water SCALD

1. Make sure all electrical wires and water pipes are properly installed. Check

the power requirement for each model. Before start up, check that all

connections are secure and fittings are tight. Confirm that all air has been

purged from the system.

2. Turn power on and verify the unit set temp is 105-110 degrees. Open tub

faucet. The water begins to heat and the current temperature is shown in the

display. Dial the Gate Valve on the Hot Side Only to calibrate your hot water

vs the flow rate. Ideally, you will gain a higher flow rate by lowering the set

temp as water moves through the water heaters quartz elements faster. If

hotter water is required, simply raise the set temp and/or slow the water flow

rate to meet your temperature needs.

3. Calibrate using Gate Valve (water valve) at hot outlet and choose a

desirable temperature by pressing the up or down buttons and adjusting the

gate valve until you have a comfortable water temperature and flow rate.

Never use the cold inlet valve to adjust flow. This will restrict water from

flowing in and cause damage to the heating elements.

4. Turn off water and unit is set.

SIZING GUIDE

Incoming Water Temperature

MODEL

NUMBER

MAX

35 F

45 F

55 F

65 F

75 F

SIO 14

14.0

1.70

2.00

2.30

2.80

3.60

SIO 18

18.0

2.20

2.50

3.00

3.60

4.60

GALLONS PER MIN OUTPUT BASED ON WATER TEMP.

14 | Page

TROUBLE SHOOTING

If you are having any problems getting your unit to work after going through

the check list, please call our technical support team for any help.

TOLL FREE 1-888-270-8452

You can also email us at:

support@SioGreenUSA.com

Problem Possible Cause Solution

Water heater is not

heating at all (water is

flowing but the unit is

not heating - the

outgoing water

temperature is the same

as the cold water

supply) or the digital

display does NOT light

up.

No power or incorrect

wiring.

Make sure the breakers

at main electrical panel

are ON. You may have

a faulty breaker or unit

may be wired

incorrectly.

Flow sensor is not

activating

Open up the system

and check to see if

anything is stuck in the

flow sensor. Verify

screen is clean. Contact

support.

Water heater is heating,

but the water

temperature is not hot

enough.

Flow rate is too high.

Adjust the water valve

to decrease the water

flow. This should

increase the

temperature.

The unit is under sized

for the application

Check map sizing guide

to confirm if the correct

unit is installed

Unit initially heats then

shut off unit and will not

restart Sticky relay Reset breakers. Call

Customer Care for

further issues.

15 | Page

No water flow or low

water flow Closed valve or clogged

filter or safety screen Open valve. Clean filter

and screen.

Error Code: B1 Inlet Flow Sensor

Open up the system

and check to see if

anything is stuck in the

flow sensor. Verify

screen is clean. Contact

support.

Error Code: B2 Outlet temperature

sensor Replace sensor. Contact

support.

WARRANTY

BUYER’S REPRESENTATION AND LIMIATATIONS OF LIABILITY

By accepting and installing the Product, Buyer expressly acknowledges the

terms and conditions of the Manufacturer Warranty and hereby expressly

accepts and agrees to the Warranty, Representations and Limitations of

Liability as set forth below.

Manufacturer warrants that the hot water generator and its components as

manufactured by the

Manufacturer (the "Product”) shall be free from defects

in materials and workmanship, under

normal use and service for the period of

time identified below beginning from the date of

Purchase. MANUFACTURER

MAKES NO WARRANTY TO BUYER WITH RESPECT TO HE WORK OR

MAINTENANCE (other than set forth above) AND CUSTOMER

DISCLAIMS ALL

OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING,

WITHOUT

LIMITATION, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR

FITNESS

FOR A PARTICULAR PURPOSE.

16 | Page

IMPORTANT! YOU MUST REGISTER YOUR PRODUCT – WARRANTY

REGISTRATION

Buyer’ s obligation under the terms of purchase and sale require that the

Warranty

Registration must be returned to Manufacturer within thirty (30)

calendar days of delivery of the Product.

https://www.SioGreenUSA.com/support/warranty-registration/

Please fill out product and contractor information completely. Send or attach

the following items (scan or copy) for Warranty Registration:

• Proof of Purchase

• Installer Receipts by licensed Contractor for Warranty in order to protect

Buyer’s rights and obtain Manufacturer’s Warranty benefits

IF THE PRODUCT WARRANTY IS NOT REGISTERED WITHIN THE APPLICABLE

TIME FRAME, THEN AFTER THE THIRTY (30) CALENDAR DAYS FROM RECEIPT

OF PRODUCT HAVE PASSED, THERE SHALL BE NO RETURNS OR WARRANTY

AVAILABLE TO BUYER

10 Year Limited Heat Exchanger:

The heat exchanger as referred to herein shall mean the body of the heat

exchanger including the composite plastic component parts attached to the

body of the heat exchanger.

3 Year Limited Parts:

ALL ELECTRICAL COMPONENTS.

This warranty will replace defective components determined by SioGreen

Technical Support. If a repair is needed, a repair fee will be in place depending

on the unit. If faster shipping service is desired, the Buyer must select and

pay. This warranty will replace the unit in its entirety should it be defective

without repair determined solely by SioGreen Technical Support for the period

above and warranty shall remain in effect from the original purchase date only.

17 | Page

This WARRANTY is subject to the following:

a) This Manufacturer Warranty is only applicable to the original purchaser

at the original installation address of purchaser (“Buyer”). The Warranty

is personal only to the Buyer with proof of purchase and is not available

to an individual who is only in possession of the Product.

b) IMPORTANT: MANUFACTURER REQUIRES BUYER TO INSTALL THIS

PRODUCT USING A LICENSED CONTRACTOR. OWNER INSTALLATION OF

THE PRODUCT VOIDS THE WARRANTY. Manufacturer Warranty is only

offered if the Product is installed by a Licensed Contractor who installs

the Product in accordance with any national and/or local codes and

installed to Manufacturer Specifications using all included components

supplied by Manufacturer and other parts that may be required to protect

equipment. The Licensed Contractor shall comply with all laws,

ordinances, and regulations, both state and federal, applicable to the

Product. Buyer is solely responsible for being compliant with such laws

and expressly warrants to Manufacturer that the Product will be installed

according to such rules and regulations. Buyer assumes all such risk

associated with being compliant with these laws. Buyer agrees to

expressly relieve Manufacturer, its agents or employees from any all

liability by reason of any action, injury, loss, or damage to any person

or property resulting from any lack of compliance on behalf of Buyer,

irrespective of the cause of such injury, loss, or damage. Should Buyer

not be compliant, Buyer shall have no warranty rights.

c) WARRANTY DOES NOT COVER:

• Product misuse, tampering, or misapplication, accidental damage,

or improper installation

• Product failure caused by chemical corrosion, or freezing.

• Product failure due to lightning, flood, or other natural or

manmade calamities

• Labor charges of any kind

• Costs incurred for shipping, delivery, handling, and/or

administrative charges

18 | Page

BUYER’S REPRESENTATIONS

a) Buyer warrants, acknowledges and agrees that it shall not use the

Product other than for the purposes it is intended for. Buyer further

warrants that Buyer shall only use the Product in accordance with the

Manufacturer’s recommended guidelines as set forth in this Manual.

Buyer expressly waives all liability and indemnifies and holds

Manufacturer harmless for any action against Manufacturer for any

deviation by Buyer from the intended purposes of the Product.

b) Buyer warrants, acknowledges and agrees that Buyer shall not reverse-

engineer, modify or create a derivative work of the Product without

prior written permission of Manufacturer

c) Buyer has no right to modify or alter the Product and shall not make

any improvements, alterations or modifications to the Product. If Buyer

modifies, alters or improves the Product, the Warranty shall be and is

hereby voided

d) In the event that the Product is not installed or used in accordance with

the Manufacturer’s specifications as set forth in this manual, any and

all warranties either expressed or implied shall be and are hereby

voided. Only upon proper installation and use of the Product shall the

above warranty apply. Any tampering, misuse or negligence in handling

or use of Product shall render the warranty void. Further, any warranty

is void if, at any time, Buyer attempts to make any changes to any of

the components of the Product.

LIMITATIONS OF LIABILITY

a) Risk of Loss. Buyer agrees to assume all risk of loss or damage, no

matter how occasioned.

b) Indemnification. The Buyer agrees to indemnify, hold harmless, save

and defend Manufacturer and its agents or employees from and against

any and all claims, liens, liability, loss or damage, including expenses

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SioGreen SIO 14 Operation & Installation Manual

Brand: SioGreen

Model: SIO 14

Type: Operation & Installation Manual

This manual is also suitable for

SIO 18

Download PDF

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SioGreen SIO 14 Operation & Installation Manual

This manual is also suitable for

SioGreen SIO 14 Operation & Installation Manual

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